87696 SPECIAL REPAIR TO REPLACEMENT OF BER DECLARED DG SET OF 250KVA LRMR HANGAR , 62.5 KVA EACH AT THIRUPARKADAL AND ATH SUBSTATION UNDER GE(M) ARAKKONAM

Amount

SCHEDULE 'A' PART-I [ E/M WORKS]

Supply, install, test and commissioning of accoustic proof AMF type diesel engine driven generating set fully wired, 415V, +5%, AC 3 phase, 4 wire, 50 Hz having capacity 250 KVA continous rating power factor 0.8 (lagging), connecting as per IE rules and mouted on a common base plate with anti vibration pad including necessary four wheel trally as recommended by the manufacturer all as specified and directed. The DG set shall comprise of following :- . The diesel engine will comprise of following:- (A) Diesel Engine - The engine should be six cylinder,liquid cooled, turbocharged with after cooler, developing 310 HP @ 1500 RPM. 6SL1500TA G3 is inline, electric start, compression ignition, 4 stroke, designed to run continuously at 1500 RPM confirming to IS 10002, ISO-3046, BS 5514 strandard. Diesel Engine will comply with present CPCB -IV norms Make - CUMMINS / KIRLOSKAR/ CROMPTON GREAVES.

ITEM NO. 02 Con... 1.Dry type air cleaner 2.Exhaust silencer suitable for canopy 3.Expansion bellow 4.lube oil coller 5.Lube oil filter 6.Fuel filter 7.Radiator with pusher type fan and mounting 8.Electronic governor and fuel feed pump 9.Flywheel with starter ring and bell housing suitable for close coupling 10.Electric starter motor 24 Volt 11.Battery charging alternator 12.Microprocessor based KG745 controller fixed in power panel 13.Protection system for Low lube oil pressure, high water temperature 14.In-line mono block fuel injection pump (B) Alternator, The alternator shall be designed for an output of 250 KVA suitable for continuous operation rated at 1500 rpm 415 V, 0.8 PF, 50Hz, 3Ph in SPDP enclosure, self exicted & self- regulated, Brush less, floor mounted with Ball or Bearing on end shields. The alternator conforms to IS : 4722, BS EN 60034-1 & will be suitable for tropical condition. Make;- KIRLOSKAR/ ALSTOM/STAMFORD/JYOTI/ CROMPTON GREAVES.

ITEM NO. 02 Con… (C) Electric system : The electric system of the starter motor and charging alternator shall have the following components:- (i) Charging alternator 12V, DC (ii) Voltage regulator built in type IC regulated (iii) Starter motor 12 volts DC (iv) Battery 12 volts DC and capacity 150 AH 02 nos with one set of connecting leads of 70 Sqmm size copper cable. (D) Fuel tank (Service tank) : The fuel tank shall be mild steel suitable to hold 460 ltrs capacity and shall be inlducing fuel level indicator duly marked to read 10 Ltr per division fuel line from tank to engine arrangement for fuel filling fuel drain out facility etc. compelte all as specified.

Supply, install, test and commissioning of accoustic proof AMF type diesel engine driven generating set fully wired, 415V, +5%, AC 3 phase, 4 wire, 50 Hz having capacity 125 KVA continous rating power factor 0.8 (lagging), connecting as per IE rules and mouted on a common base plate with anti vibration pad recommended by the manufacturer all as specified and directed., The DG set shall comprise of following :- . The diesel engine will comprise of following:- (A) Diesel Engine - The engine should be six cylinder,liquid cooled, turbocharged with after cooler, developing 159 BHP @ 1500 RPM. 6SL1500TA G3 is inline, electric start, compression ignition, 4 stroke, designed to run continuously at 1500 RPM confirming to IS 8528 ISO-8528. BS 5514 strandard. Diesel Engine will comply with present CPCB -IV norms. Make - CUMMINS / KIRLOSKAR/ CROMPTON GREAVES

ITEM NO. 03 Con… 1.Dry type air cleaner 2.Exhaust silencer suitable for canopy 3.Expansion bellow 4.lube oil coller 5.Lube oil filter 6.Fuel filter 7.Radiator with pusher type fan and mounting 8.In-line mono block fuel injection pump 9.Electronic governor and fuel feed pump 10.Flywheel with starter ring and bell housing suitable for close coupling 11.Electric starter motor 12 Volt 12.Battery charging alternator 13.Microprocessor based KG745 controller fixed in power panel 14.Protection system for Low lube oil pressure, high water temperature (B) Alternator, The alternator shall be designed for an output of 125 KVA suitable for continuous operation rated at 1500 rpm 415 V, 0.8 PF, 50Hz, 3Ph in SPDP enclosure, self exicted & self- regulated, Brush less, floor mounted with Ball or Bearing on end shields. The alternator conforms to IS : 4722, BS EN 60034-1 & will be suitable for tropical condition. Make;- KIRLOSKAR/ ALSTOM/STAMFORD/JYOTI/ CROMPTON GREAVES.

ITEM NO. 03 Con… (C) Electric system : The electric system of the starter motor and charging alternator shall have the following components:- (i) Charging alternator 12V, DC (ii) Voltage regulator built in type IC regulated (iii) Starter motor 12 volts DC (iv) Battery 12 volts DC and capacity 120 AH 02 nos with one set of connecting leads of 70 Sqmm size copper cable. (D) Fuel tank (Service tank) : The fuel tank shall be mild steel suitable to hold 290 ltrs capacity and shall be inlducing fuel level indicator duly marked to read 25%, 50%, 75%,100% per division fuel line from tank to engine arrangement for fuel filling fuel and digital display and drain out facility etc. compelte all as specified.

Supply, install, test and commissioning of accoustic proof AMF type diesel engine driven generating set fully wired, 415V, +5%, AC 3 phase, 4 wire, 50 Hz having capacity 62.5 KVA continous rating power factor 0.8 (lagging), connecting as per IE rules and mouted on a common base plate with anti vibration pad recommended by the manufacturer all as specified and directed .The DG set shall comprise of following :- . The diesel engine will comprise of following:- (A) Diesel Engine - The engine should be four cylinder,liquid cooled, turbocharged with after cooler, developing 80 HP @ 1500 RPM. 6SL1500TA G3 is inline, electric start, compression ignition, 4 stroke, designed to run continuously at 1500 RPM confirming to IS 10002, ISO-3046, BS 5514 strandard. Diesel Engine will comply with present CPCB -IV norms. Make - CUMMINS / KIRLOSKAR/ CROMPTON GREAVES

ITEM NO. 04 Con… 1.Dry type air cleaner 2.Exhaust silencer suitable for canopy 3.Expansion bellow 4.lube oil coller 5.Lube oil filter 6.Fuel filter 7.Radiator with pusher type fan and mounting 8.In-line mono block fuel injection pump 9.Electronic governor and fuel feed pump 10.Flywheel with starter ring and bell housing suitable for close coupling 11.Electric starter motor 12 Volt 12.Battery charging alternator 13.Microprocessor based KG745 controller fixed in power panel 14.Protection system for Low lube oil pressure, high water temperature (B) Alternator, The alternator shall be designed for an output of 62.5 KVA suitable for continuous operation rated at 1500 rpm 415 V, 0.8 PF, 50Hz, 3Ph in SPDP enclosure, self exicted & self- regulated, Brush less, floor mounted with Ball or Bearing on end shields. The alternator conforms to IS : 4722, BS EN 60034-1 & will be suitable for tropical condition. Make;- KIRLOSKAR/ ALSTOM/STAMFORD/JYOTI/ CROMPTON GREAVES.

ITEM NO. 04 Con… (C) Electric system : The electric system of the starter motor and charging alternator shall have the following components:- (i) Charging alternator 12V, DC (ii) Voltage regulator built in type IC regulated (iii) Starter motor 12 volts DC (iv) Battery 12 volts DC and capacity 120 AH 02 nos with one set of connecting leads of 70 Sqmm size copper cable. (D) Fuel tank (Service tank) : The fuel tank shall be mild steel suitable to hold 150 ltrs capacity and shall be inlducing fuel level indicator duly marked to read 25%, 50%, 75%,100% per division fuel line from tank to engine arrangement for fuel filling fuel and digital display and drain out facility etc. compelte all as specified.

Note for ITEM NO.02 to 04:- a) Design and drawings of the DG set shall be prepared as recommended by the OEM & compile as per Sch A. The same shall be got approved from GE before commencement the work and the rate quoted is deemed to include for the same. (b) Comissioning of the DG will be done by OEM service and at the time of comissioning minimun 25 % fuel to be present in tank for testing purpose and cost of same to be included in the quoted unit rate. (c) Design and drawings of the foundation shall be prepared as recommended by the OEM and be got approved from GE before commencement the work and the rate quoted is deemed to include for the same. (d) 05 sets of design and drawings to be submitted along with a copy to the Accepting Officer after obtaining the approval of GE. (e) Amount of foundation to be included in the quoted unit rate, No extra payment will be paid to contractor in this regard.

Disconnecting the existing DG sets from its all electrical connections (including control panel connection) and removing the DG set 250 KVA capacity from its foundations ,shifting the DG set safely from the locations and hand over to MES stores all as specified and as directed

Disconnecting the existing DG sets form its all electrical connections (including control panel connection) and removing the DG set 62.5 KVA capacity from its foundations, shifting the DG Det safely from ATH Sub Station and hand over to MES stores all as specified and as directed.

Disconnecting the existing DG sets form its all electrical connections (including control panel connection) and removing the DG set 62.5 KVA capacity from its foundations, shifting the DG Det safely from Thiruparkadal Pump house loacated 42 KM away from INS Rajali and hand over to MES stores all as specified and as directed.

Supply and fix on wall/ceiling/any other given situation, XLPE insulated GI wire/strip armoured electric power cable (Heavy duty) with stranded aluminium conductor 1100 volts grade, cross sectional area 300 Sqmm 3.5 Core including necessary lugs and clamp for fixing cable on wall complete all as specified and as directed

Supply and fix on wall/ celing/any other given situation, XLPE insulated GI wire/strip armoured electric power cable (Heavy duty) with stranded aluminium conductor 1100 volts grade, cross sectional area 185 Sqmm 3.5 Core including necessary lugs and clamp for fixing cable on wall complete all as specified and as directed

Material and labour for Earthing complete with using copper earth plate electrode of size 600mm x 600mm x 3.15 mm thick buried directly underground vertically (earth pit not less than 2.25m deep below normal ground level) with top edge of the plate at a depth not less than 1.5m below ground level connected with and incl copper strip 20x3.15 mm including 40 mm dia GI pipe light grade by means of nuts bolts, washers and copper earth strip protected by GI pipe light gradev 40 mm bore up to 7.5 mtr and connecting to AVR/VCB's/trasnsformer etc, as per site requirement necessary earth work in any type of soil PCC (1:3:6) type C1 chamber and RCC(1:2:4)type B-1cover and watering pipe 20 mm dia medium grade with funnel complete with mesh , refiling with soil all as specified. Note for Earthing work :- Quoted rate deemend to include necessary earth work PCC chamber, RCC cover, reinforcement removal of surplus soil , site clearance etc. (ii) Copper earth strip , GI Pipe 40 mm light grade 7.5 mtr and GI Pipe 20 mm medium grade 1.50 mtr deemed to be included the rate quoted by the contractor.(iii) Beyond 7.5 M the copper earth strip & GI pipe light grade 40 mm dia shall be measured and paid separetely under the respective item of the schedule (iv) Quotated rate include testing after completion from test point and the desired earth resistance shall be not more than 2 ohm .If the desired result is not obtained the earthing will be re done by the contractor at no extra cost.

Supply and fix copper strip 20X3.15 mm on wall/ buried in ground including 40 mm dia GI pipe light grade and all connecting necessary arrangements all as specified and directed.

Excavation in trenches, n. exc 1.5 m wide and n. exc 1.5 m in depth for foundation etc.and getting out for soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25cm for soft/loose soil complete all as directed.

Removing excavated material n.exc 50m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as directed.

Supply and lay standard size common burnt clay building bricks sub class 'B' for cable protection, laid dry complete all as specified and directed.

Spreading, leveling and compacting of approved riddle earth obtain from excavation in cable ducts / trenches for cable cushion on both top and bottom of cable, including ramming as specified and directed by Engineer-in-Charge. (Note :- 1. Punned thickness only will be measured

M&L for light grade galvanised iron pipes of 80 mm sizes with all fittings and fixed to wall/ pole / under road / culvert / drain or laid in floors,complete incl taking the old corroded pipe all as specified and directed.

Labour for surface excavation strictly manually without damaging any electric LT /HT , route indicators and earthing pits ect noty exceeding 30 cm deep and average 18 cm deep and getting out in soft/loose soil including removing gree vegetation, rrots , bushes in the substation area and near instalations fencing are etc complete all as specified and directed

Excavating in post holes (or similar holes) each n exc 0.5 cu. m, getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm, in hard/ dense soil complete all as specified and directed

Material and labour for cement concrete type D2 1:4:8, (Using 40mm graded stone aggregate) in foundations, filling and mass concrete complete all as specified and as directed by Engr-in-charge.

S&F Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161-1979 grade St.-240 complete all as specified and directed

S & F wind ties for roof including securing bolts, posts and struts, including cutting tops to shape as directed, drilling holes, bolting or riveting etc and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed

S&F Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of an colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed

S&F Pre-painted galvalume aluminum zinc coating GI based Plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws complete all as specified and directed

Surface excavation n.exc 30cm deep and averaging 15cm deep and getting out in hard/dense soil complete all as specified and directed

Material and labour for 100mm cement concrete type D-2, 1:4:8 (40mm graded aggregate) complete all as specified and as direced by Engr-in-charge.

M&L hard core of gauge n.exe.63 mm filling under floors or in foundations n.exe 15CM thick including watering and consolidation complete all as specified and as direced by Engr-in-charge

M&L Sand filling under floors or in foundations including watering and consolidation complete all as specified and directed

M & L for 70 mm thick PCC 1:2:4 type B1 (20 mm graded aggregate) as in flooring complete all as specified and directed

Material and labour for two coats of synthetic enamel paint over one coat of red oxide priming including preparation of new steel surfaces over 10 cm in width or girth, not otherwise described complete all as specified and as directed by Engr-in-charge.

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